<template>
  <div>
    <h2>请选择你喜欢的专栏</h2>
    <span v-for="item in arr" :key="item" >
     <input type="checkbox" v-model="newArr" :value="item">{{item}}
    </span>
    <ul>
      <li v-for="item in newArr" :key="item">{{item}}
      </li>
    </ul>
  </div>
</template>

<script>
export default {
  data() {
    return {
      arr: ["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
      newArr:[]
    };
  },
  methods: {

  },
};
</script>

<style>
</style>